Suppose you look by eye at a star near the edge of a dusty interstellar cloud. The star will look ________ than it would if it were outside the cloud.
A) dimmer and bluer
B) more redshifted
C) brighter and redder
D) dimmer and redder
Question 2
Observations of young stars (as well as theory) tell us that when the Sun was young the solar wind
A) was weaker than it is today.
B) was stronger than it is today.
C) was about the same strength as it is today.
D) was nonexistent.
E) blew outward only along the Sun's poles.
The Sun is the nearest star to Earth.
An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution
The Sun is the nearest star to Earth.
Cloud
Spiral Galaxies Seen Nearly Edge On from the Milky Way
Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ...